/Engine/Source/Runtime/Engine/Public/MaterialShared.h
Caches the material shaders for this material with no static parameters on the given platform. This is used by material resources of UMaterials.
bool CacheShaders ( EShaderPlatform Platform, EMaterialShaderPrecompileMode PrecompileMode, const [ITargetPlatform](API\Developer\TargetPlatform\Interfaces\ITargetPlatform) * TargetPlatform )